Static task
static1
Behavioral task
behavioral1
Sample
korepi 4.4 fix.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
korepi 4.4 fix.exe
Resource
win10v2004-20231215-en
General
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Target
korepi 4.4 fix.exe
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Size
70.0MB
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MD5
d5359c563e71f45da6dd180cf8da25a5
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SHA1
77282d3b048919e5be8a93274a35568ac3fcb019
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SHA256
29e901fad69351dd5dfd7030453f0df18fc1cc854674d5cf220427683cc5380c
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SHA512
0ab29b88ab9e1e64aa53fb51a470018ac80c19c42188a3dd76c233995fcfa5b7132cedfd9e4075a6a778833eba8c27df5ef4ea921202199f7e357e336071e75f
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SSDEEP
1572864:etxKETbqOH7Zx/pO8/ZBULdqKbztcG3hQ3xm1EWEvDmmZ6cl:C9TfN/O3PzmGxQ3xm12DTd
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource korepi 4.4 fix.exe
Files
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korepi 4.4 fix.exe.exe windows:6 windows x64 arch:x64
7b19cb4f897a04473b48f1a63cc242c8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
LockResource
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
MessageBoxA
comdlg32
GetOpenFileNameA
advapi32
CryptDestroyHash
shell32
ShellExecuteA
msvcp140
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
crypt32
CertGetCertificateChain
ws2_32
WSACleanup
rpcrt4
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
bcrypt
BCryptGenRandom
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
api-ms-win-crt-stdio-l1-1-0
fgetc
api-ms-win-crt-locale-l1-1-0
localeconv
api-ms-win-crt-heap-l1-1-0
malloc
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-string-l1-1-0
strcpy_s
api-ms-win-crt-time-l1-1-0
_localtime64_s
api-ms-win-crt-convert-l1-1-0
atoi
api-ms-win-crt-filesystem-l1-1-0
_lock_file
api-ms-win-crt-utility-l1-1-0
rand
api-ms-win-crt-runtime-l1-1-0
_register_thread_local_exe_atexit_callback
api-ms-win-crt-multibyte-l1-1-0
_mbsicmp
Sections
.text Size: - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: - Virtual size: 353KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.!U_#D& Size: - Virtual size: 69.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.7AOJxN Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.!Ue`t3 Size: 69.5MB - Virtual size: 69.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 453KB - Virtual size: 452KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ